update title on sidenav (#2386)

Author: alexwolfe-tp

public/docs/_includes/_side-nav.jade

@@ -104,7 +104,7 @@ nav(class="sidenav l-pinned-left l-layer-4 l-offset-nav"  ng-class="appCtrl.show
             li(class="nav-list-item #{item.class}"): a(href="#{item.href}" title="#{item.tooltip}") #{index + 1}. #{item.navTitle}
 
     li.sidenav-section
-      a(class="nav-title is-parent #{anyItemSelected(guide)}" href="#{guide[0].href}" title="#{guide[0].tooltip}") Advanced Documentation
+      a(class="nav-title is-parent #{anyItemSelected(guide)}" href="#{guide[0].href}" title="#{guide[0].tooltip}") Advanced
         img(class="inline-arrow-down-svg" src="/resources/images/icons/ic_keyboard_arrow_down_black_24px.svg")
 
       .nav-unordered-lists(class="#{isCollapsed(anyItemSelected(guide))}")